Home / 20,894.19-31,341.90-6,101.57

Finding the Fourth Proportional to 20,894.19, 31,341.90 and 6,101.57

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Solution

The fourth proportional to 20,894.19, 31,341.90 and 6,101.57 is: 9,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894.19 : 31,341.90 = 6,101.57 : x
  2. Step 2: Convert to fraction form
    20,894.19/31,341.90 = 6,101.57/x
  3. Step 3: Cross multiply
    20,894.19x = 31,341.90 × 6,101.57
  4. Step 4: Simplify right side
    20,894.19x = 191,234,640.07
  5. Step 5: Solve for x
    x = 191,234,640.07/20,894.19
  6. Step 6: Final answer
    x = 9,152.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.